#!/usr/bin/env python3

list_word={"cal":"add var a and b to sum ","list":"a list vars","variay":"data "}

print("an  way that out message")
for item in list_word.keys():
	print(item+":"+list_word[item])

print("another way that out message")
for ke,valu in list_word.items():
	print(ke+":"+valu)
